<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <h3>数组操作练习</h3></br>
<h3> 应用：十进制转二进制</h3>
    <script>
        //类 进行封装
        
    </script>
</body>

</html>